ERP5: fix logrotate for zopes using a NEO DB

This is a follow-up of commit 6f009a9f

stack/erp5/buildout.cfg

@@ -324,7 +324,7 @@ md5sum = 985c0010db6b553a89dbdb31353c56f5
 [template-zope]
 <= download-base
 filename = instance-zope.cfg.in
-md5sum = 0cd033da89a79c5b26dc0342ea57d5f7
+md5sum = a842e8c15fa70a8e95dfd60bb1b05b26
 link-binary =
   ${aspell:location}/bin/aspell
   ${dmtx-utils:location}/bin/dmtxwrite

stack/erp5/instance-zope.cfg.in

@@ -285,7 +285,7 @@ node-id = {{ dumps(node_id_base ~ '-' ~ index) }}
 {% for db_name, zodb in zodb_dict.iteritems() -%}
 {%   if zodb['type'] == 'neo' -%}
 {%     do import_set.add('neo.client') -%}
-{%     set log = '~/var/log/' ~ name ~ '-neo-' ~ db_name ~ '.log' -%}
+{%     set log = '${directory:log}/' ~ name ~ '-neo-' ~ db_name ~ '.log' -%}
 {%     do log_list.append(log) -%}
 {%     do zodb['storage-dict'].update(logfile=log) -%}
 {%   endif -%}